usb: gadget: obex: select correct ep descriptors

We where selecting wrong ep descriptors causing
some troubles while sending files over obex interface.

The problem was a typo while usb_find_endpoint() was being
called for HS endpoints.
Acked-by: NDavid Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: NFelipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/usb/gadget/f_obex.c

@@ -366,9 +366,9 @@ obex_bind(struct usb_configuration *c, struct usb_function *f)
 		f->hs_descriptors = usb_copy_descriptors(hs_function);
 
 		obex->hs.obex_in = usb_find_endpoint(hs_function,
-				f->descriptors, &obex_hs_ep_in_desc);
+				f->hs_descriptors, &obex_hs_ep_in_desc);
 		obex->hs.obex_out = usb_find_endpoint(hs_function,
-				f->descriptors, &obex_hs_ep_out_desc);
+				f->hs_descriptors, &obex_hs_ep_out_desc);
 	}
 
 	/* Avoid letting this gadget enumerate until the userspace